Telecomunicaciones y tecnología
Wall Street extends losses; S&P falls 2 percent
* The Dow Jones industrial average dropped 171.41 points, or 1.76 percent, to 9,540.87. The Standard & Poor's 500 Index fell 22.58 points, or 2.14 percent, to 1,034.50. The Nasdaq Composite Index lost 56.30 points, or 2.65 percent, to 2,066.12.
(Reporting by Chuck Mikolajczak; Editing by Jan Paschal)